diff --git a/libavformat/mxfdec.c b/libavformat/mxfdec.c
index 4b63b277ff..0b514dbb24 100644
--- a/libavformat/mxfdec.c
+++ b/libavformat/mxfdec.c
@@ -1915,6 +1915,7 @@ static int mxf_read_close(AVFormatContext *s)
 
     for (i = 0; i < mxf->nb_index_tables; i++) {
         av_freep(&mxf->index_tables[i].segments);
+        av_freep(&mxf->index_tables[i].ptses);
         av_freep(&mxf->index_tables[i].fake_index);
     }
     av_freep(&mxf->index_tables);